<style>
    #app-1 input {
        border: 4px solid;
        outline: 0;
    }
</style>
<div id="app-1">
    <input type="text" v-on="eventObj" @input="eventHandle"/>
    <div>
        <p>methods return a Function: {{ typeof eventHandle }}</p>
        <p>computed return a Object:  {{ typeof eventObj }}</p>
    </div>
</div>